var switches = new Array('who_switch','why_switch','what_switch');

function hide(theId) {
	var listElementStyle=document.getElementById(theId).style;
	var listElement=document.getElementById(theId);
	if (listElement.className!="skipHide"){
		listElementStyle.display="none";
	}
}

function getTarget(theString) {
	var tmpstr = new String(theString);
	return tmpstr.substr(0,tmpstr.indexOf('_'));
}

function menuInit() {
	for (var i = 0; i < switches.length; i++) {
		hide(getTarget(switches[i]));
		var tmpObject=document.getElementById(switches[i]);
		tmpObject.onclick=switchit;
	}
}

function switchit(){
	var me=new String(this.id);
	var list=getTarget(me);
	var listElementStyle=document.getElementById(list).style;
	if (listElementStyle.display=="none"){
		listElementStyle.display="inline";
	} else {
		listElementStyle.display="none";
	}
}

function no(){}

window.onload=menuInit;